https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119244
--- Comment #23 from Iain Sandoe <iains at gcc dot gnu.org> --- (In reply to Richard Biener from comment #21) > (In reply to Richard Biener from comment #19) > > I'll cook up a preliminary patch for the Q vs. f128 change. > > Note it seems libgfortran LIBGFOR_CHECK_FLOAT128 sets USE_IEC_60559 in > odd ways, also requiring Q literal suffix support. So for targets with > native _Float128 support using the f128 suffix would have been better? I have essentially copied that logic in the patch attached (but it needs extending as per Jakub's suggestion) > But why does s390x reject Q. I guess it does not fire in libgfortran because literals are already wrapped in a macro there. > Anyway, post-poning this after the libquadmath check/support is in since > for libgfortran this is where the USE_IEC_60559 is defined. The patch above defines it for libgcobol (using the same logic as libgfortran does)
